Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Net (loss) income | $ (2,973) | $ 13,440 | $ (1,263) |
| Net unrealized gain (loss) on investments, net of shadow adjustments and deferred taxes | 5,810 | 2,197 | (11,656) |
| Total comprehensive income (loss) | $ 2,837 | $ 15,637 | $ (12,919) |